Title :
Effect of cobalt oxide addition on Co-Pt media
Author :
Ranjan, R. ; Lu, M. ; Yamashita, T. ; Chen, T.
Author_Institution :
Komag Inc., Milpitas, CA, USA
fDate :
11/1/1994 12:00:00 AM
Abstract :
The effect of CoO addition on the magnetic, microstructure and recording properties of CoNiPt media is discussed. Both Hc and squareness increased with increasing CoO. This was attributed to the uniform grains of CoNiPt-CoO which were isolated by a channel of about 10-20 Å. This results in an increase in SNR of about 6 dB for 2% of CoO. The OW of CoNiPt-CoO media was found to be higher than the CoNiPt media sputtered in presence of oxygen
Keywords :
cobalt alloys; ferromagnetic materials; magnetic heads; magnetic recording noise; magnetic thin film devices; magnetic thin films; nickel alloys; platinum alloys; 10 to 20 angstrom; CoNiPt-CoO media; CoNiPtCoO; SNR; enhanced OW; magnetic properties; magnetic recording properties; media noise; microstructure properties; squareness; uniform grains; Cobalt; Grain size; Magnetic films; Magnetic noise; Magnetic properties; Magnetic recording; Magnetostatics; Microstructure; Noise reduction; Sputtering;
Journal_Title :
Magnetics, IEEE Transactions on
